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volcanic hydrothermal solution
相关语句
  火山热液
     The metallogenesises of Intracontinental rifting metallogenic subsystem (143.2Ma, K-Ar; 157.41+ 1.20Ma, Ar-Ar) included the contact metasomatic type, sedimentation-exhalation type or volcanic hydrothermal solution type metallization, and the main metallogenesis is the contact metasomatic type Ag, Cu, Pb, Zn, Fe, Au, Ga etc metallogenesis caused by the intrusion of medium-acidic magma in Yanshan stage.
     陆内裂谷成矿体系(成岩-成矿定年:143.2Ma,K-Ar;157.41±1.20Ma,Ar-Ar)的成矿作用主要表现为接触交代型和热水喷流或火山热液型,最主要的成矿作用是因燕山期中酸性岩浆侵入而发生的接触交代型Ag、Cu、Pb、Zn、Fe、Au、Ga成矿作用;
短句来源
     and 4) volcanic hydrothermal solution types.
     4、火山热液型。
短句来源
     , the one led by volcanic hydrothermal solution of early-medium Tamulangou formation, and that by intruded magmatic hydrothermal solution of Late Cretaceous period.
     本区矿化亦可分为两期 ,一是由塔木兰沟中早期火山热液引起的塔木兰沟组地层矿化 ; 二是由于晚上库力期的侵入岩浆热液引起的矿化 .
短句来源
     the poor ore mineralization of volcanic hydrothermal solution for the first stage was formed during the Variscan,the eruption of basalt magma brought part mineral matters from deep source and extracting minerals by the reformation of its source bed.
     华力西期幔源玄武岩浆喷发,除本身带来部分深源矿质,并对矿源层改造、萃取矿质,形成第一期火山热液贫矿化。
短句来源
     Based on the analysis results of orebody characters, ore minerals and ore fabric, it is inferred that the deposit belongs to the electrum of` the mesothermal and hypothermal metasomatic and filling type, that the ore-forming process of the deposit has a close relation with the tectonic activities in the surveyed area and that the major mineral substances of the deposit are derived from volcanic hydrothermal solution and post-volcanic hydrothermal fluid.
     通过对矿体特征、矿石矿物及矿石组构的分析 ,认为该矿床属中 -低温热液交代、充填型银金矿 ,成矿过程与构造活动密切相关 ,主要成矿物质来源于火山热液及火山期后热液。
短句来源
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  “volcanic hydrothermal solution”译为未确定词的双语例句
     The geochemical signatures of mineralized rocks show that the gold-mineralized zones are generated from the gold-bearing iron formations formed early in the emanation of volcanic hydrothermal solution,which experienced the moblization and re enrichiment of metamorphic hydrothermal solution.
     对矿化岩石的地质地球化学研究表明,矿化带是在早期火山喷气热液作用下形成的金铁建造,经过变质热液的活化和再富集形成的。
短句来源
     The iron and copper deposits in the formation were the results of the metallization by the fumarolic effusion sedimentation of the volcanic hydrothermal solution in a limited graben basin with bathyal abyssal water, which were controlled by fault network system in the Kunyang rift at the Yinmin stage in middle Proterozoic suberathem.
     该层位铁铜矿床是中元古代因民期受昆阳裂谷内断裂网络系统控制的半深水—深水局限断陷盆地内火山热水喷流—沉积成矿作用的产物。
短句来源
     Sulfur isotopic composition is 7.00‰~0.90‰. The pyrite mineral had genetic tie with concentration, filling and metasomatism of the ore bearing hydrothermal solution, and the deposits represent a sedimentary deposit caused by volcanic hydrothermal solution.
     硫同位素组成δ3 4S为 7.0 0‰~ 2 3.0 0‰ ,黄铁矿是含矿热液以堆积、充填和交代方式形成 ,黄铁矿床为火山热水沉积矿床。
短句来源
     The thermoluminscence of quartz from various metallizing phases also provides evidence that gold metallogeny is related to metamorphic hydrothermal solution other than volcanic hydrothermal solution.
     各期各阶段石英热 释光研究也为评价石英脉体的含金性,工业价值提供了依据,为矿区深入勘察评价提供辅助手段。
短句来源
     The author thinks that the main mineralization epoch is Mesozoic era and the superimposition of volcanic and sub volcanic hydrothermal solution enriched gold and silver in the Chenchai Group and formed the gold ore deposit.
     结合 F1 断裂及黄铁矿标型特征等的综合研究 ,认为矿区主成矿期为中生代 ,火山、次火山热液叠加使陈蔡群中的金矿化富集。
短句来源
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  相似匹配句对
     and 4) volcanic hydrothermal solution types.
     4、火山热液型。
短句来源
     ② volcanic hydrothermal ore deposit;
     2与火山岩有关热液矿床;
短句来源
     On the Submarine Volcanic Hydrothermal Genesis of the Xiaobaliang Copper Deposit
     论小坝梁铜矿床的海底火山热液成因
短句来源
     Volcanic Disasters
     火山灾害
短句来源
     Hydrothermal Eruption
     水热爆炸
短句来源
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In the southeastern margin of Jiangnan geoanticline, occurs a lot of volcanic rocks of late Pre- cambrian, e. g., Shuangxiwu Group in north Zhejiang, Dengshan Group in northeast JiangXi andJingtan Group in south Anhui. It is demonstrated by up-to-date stratigraphic and chronological datathat this volcanic sequence is of late Proterozoic in age and is stratigraphically comparable with Qing-baiko Group in north China. The sequence distributes along the southeast margin of Jiangnan geoanti-cline continuously and...

In the southeastern margin of Jiangnan geoanticline, occurs a lot of volcanic rocks of late Pre- cambrian, e. g., Shuangxiwu Group in north Zhejiang, Dengshan Group in northeast JiangXi andJingtan Group in south Anhui. It is demonstrated by up-to-date stratigraphic and chronological datathat this volcanic sequence is of late Proterozoic in age and is stratigraphically comparable with Qing-baiko Group in north China. The sequence distributes along the southeast margin of Jiangnan geoanti-cline continuously and forms an integrate volcanic belt. In the late Proterozoic volcanic-sedimentary sequence of this area, there is a variation tendencyof its petrological assemblage from the lower part towards the upper one. Take Dengshan Group as anexample. The lower part of the Group is composed mainly of turbidite volcaniclastic flyschgraywacke, associated with basalt, spilite and keratophyre, and changes into tuffite and volcaniclasticrocks of shallow-sea facies; the upper part of the Group is predominantly consisted of andesite anddacite of terrestrial facies. Similar Petrological assemblage has been found in Shuangxiwu Group innorth Zhejiang, but the different assemblage exposed in different districts. The petrological assemblagefeatures of this sequence are comparable with the volcanic-sedimentary formation found in presentplate collision boundary. The spilite-keratophvie and flysch formation in the lower part of the se-quence is usually found in underwater primary arc, but the intermediate-acid volcanic formation in theupper part shows that it is a mature island arc in the late stage of its evolution. The petrochemicalcharacter, trace element composition and the distribution pattern of REE of the volcanic rocks alsodemonstrate that the sequence is formed in island arc environment and is genetically related to the sub-duction and partial melting of ancient oceanic plate. The metallogenetic features of the ancient volcanic arc in Zhejiang, Anhui and Jiangxi boundaryarea is similar to present island arc. Important strata-bound copper deposits have been found in spilite-keratophyre sequence erupted in the early stage. This kind of deposits have great prospect in the frontof the volcanic arc, i. e., along Shangrao-Jiangshan-Shaoxin fault. There are two types gold mineral-ization with industrial significance. One of them is related to volcanic hydrothermal solution, usuallyfound near the eruption centre; another one is formed by dynamical metamorphism of regional faultand is controlled by mylonite belt. In the A-type subduction and relevant mapmatism of Mesozoic Era,inetallogenetic elements in the late Proterozoic tectono-stratum are remobilized and concentrated toform new deposits. The remobillzation of gold is very important. It is an associated element in Yan-shanian porphyry Cu and porphyry Ag, Pb, Zn deposits. In the boundary area of Zhejiang and Anhuiprovince, gold mineralization of Carlin type has been found.

江南地背斜东南缘分布了许多晚前寒武纪火山岩系,其时代为晚元古宙,在空间上构成了一个完整的火山岩带。形成于岛弧环境,与古洋壳的俯冲及部分熔融有关。成矿特征与现代岛弧类似,在早期喷发的细碧角斑岩中赋存着重要的层状铜矿,并有金矿化。

Studies of geological characteristics, mineralization and volcanism, fluid inclusion show that: 1. the basement of metamorphic rocks is the" Primary source rocks" and the "secondary source rocks" are derived from partly melted "primary source rocks" with Mesozoic magma; 2. Mesozoic Maotanchang-stage volcanic activity, as the important factor of the gold mineralization, activated gold to be migrated in volcanic hydrothermal solution and to be concentrated in favorable places forming gold deposits; 3. basement...

Studies of geological characteristics, mineralization and volcanism, fluid inclusion show that: 1. the basement of metamorphic rocks is the" Primary source rocks" and the "secondary source rocks" are derived from partly melted "primary source rocks" with Mesozoic magma; 2. Mesozoic Maotanchang-stage volcanic activity, as the important factor of the gold mineralization, activated gold to be migrated in volcanic hydrothermal solution and to be concentrated in favorable places forming gold deposits; 3. basement structures control certainly gold minerogenesis, volcanic structures control directly mineralization zonation and mineralization positions, e.g. gold deposits of subvolcanic hydrothermal type occurring around the crater of central type volcano and ones of volcanic hydrothermal type in one side of the crater of fissure-type volcano, and type of fault controls the kind, fineness, and zone of ores in a gold deposit; 4. the ore-forming hydrothermal solution consisting of mainly meteoric water and somefew magmatic water.

本文依据区内金矿床地质特征、矿化与火山作用、矿物流体包裹体的研究,阐明区内金矿成矿条件:火山岩基底变质岩是金矿“原始矿源岩”;中生代岩浆部分熔融了“原始矿源岩”所形成的后生矿源岩”为金矿成矿提供了物质来源;毛坦厂组形成时期的火山活动及与之有关的火山(次火山)热液使金发生活化、迁移,并在有利部位富集成矿;火山构造及与火山活动有关的断裂构造控制了矿化部位.流体包裹体和稳定同位素研究结果表明,成矿热液主要来自天水,少量来自岩浆.成矿物质是在低fO_2、fS_2,pH≈7的弱还原条件下沉淀的.

The Zhilingtou gold-silver deposit ocours in Chengcai group menamorphic rocks of presinian as vein shape and is controlled by the volcanic collapse faults in Yenshan period.Statistic results show as follows. The ore deposit possesses lower ratio of Au/Ag and the element characteristic association of Au+Ag+Cu+Sn and Pb+Zn+Sn in both the ore body and its primary haloes. The zoning of primary haloes is obvious in the gold-silver deposit and the zoning sequence is Pb-Zn-Sn~1-Ag-Au-Cu-Sn~2-Mo-Mn downward.The metallogenic...

The Zhilingtou gold-silver deposit ocours in Chengcai group menamorphic rocks of presinian as vein shape and is controlled by the volcanic collapse faults in Yenshan period.Statistic results show as follows. The ore deposit possesses lower ratio of Au/Ag and the element characteristic association of Au+Ag+Cu+Sn and Pb+Zn+Sn in both the ore body and its primary haloes. The zoning of primary haloes is obvious in the gold-silver deposit and the zoning sequence is Pb-Zn-Sn~1-Ag-Au-Cu-Sn~2-Mo-Mn downward.The metallogenic substances derived from volcanic hydrothermal solution.

治岭头金银矿呈脉状产于前震旦纪陈蔡群变质岩中,受控于燕山期火山塌陷断裂。统计结果表明,本矿床具有较低的 Au/Ag 比值,Au+Ag+Cu 组合与 Pb+Zn+Sn 组合为矿床及其原生晕中两组特征元素组合。矿床原生晕具有明显的分带特征,其分带序列为(上→下)Pb-Zn-S_n~1-Ag-Au-Cu-S_n~2-Mo-Mn。本矿床的成矿物质主要源于火山热液。

 
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